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Diffstat (limited to 'src/dev/ps2/mouse.hh')
-rw-r--r-- | src/dev/ps2/mouse.hh | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/dev/ps2/mouse.hh b/src/dev/ps2/mouse.hh new file mode 100644 index 000000000..e0b4c5384 --- /dev/null +++ b/src/dev/ps2/mouse.hh @@ -0,0 +1,101 @@ +/* + * Copyright (c) 2017-2018 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * + * Copyright (c) 2008 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Gabe Black + * Andreas Sandberg + */ + +#ifndef __DEV_PS2_MOUSE_HH__ +#define __DEV_PS2_MOUSE_HH__ + +#include "dev/ps2/device.hh" + +struct PS2MouseParams; + +class PS2Mouse : public PS2Device +{ + protected: + static const uint8_t ID[]; + + enum Command + { + Scale1to1 = 0xE6, + Scale2to1 = 0xE7, + SetResolution = 0xE8, + GetStatus = 0xE9, + ReadData = 0xEB, + ResetWrapMode = 0xEC, + WrapMode = 0xEE, + RemoteMode = 0xF0, + ReadID = 0xF2, + SampleRate = 0xF3, + EnableReporting = 0xF4, + DisableReporting = 0xF5, + DefaultsAndDisable = 0xF6, + Resend = 0xFE, + Reset = 0xFF + }; + static const uint16_t NoCommand = (uint16_t)(-1); + + BitUnion8(Status) + Bitfield<6> remote; + Bitfield<5> enabled; + Bitfield<4> twoToOne; + Bitfield<2> leftButton; + Bitfield<0> rightButton; + EndBitUnion(Status) + + uint16_t lastCommand; + + Status status; + uint8_t resolution; + uint8_t sampleRate; + + public: + PS2Mouse(const PS2MouseParams *p); + + void serialize(CheckpointOut &cp) const override; + void unserialize(CheckpointIn &cp) override; + + protected: // PS2Device + void recv(uint8_t data) override; +}; + +#endif // __DEV_PS2_MOUSE_hH__ + |